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317627040 = 25351973359
BaseRepresentation
bin10010111011101…
…001101010100000
3211010200010101110
4102323221222200
51122303031130
651303503320
710604533233
oct2273515240
9733603343
10317627040
11153323995
128a457b40
1350a600c3
143028141a
151cd41ab0
hex12ee9aa0

317627040 has 96 divisors (see below), whose sum is σ = 1005903360. Its totient is φ = 84245504.

The previous prime is 317627029. The next prime is 317627077. The reversal of 317627040 is 40726713.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 317626989 and 317627007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92881 + ... + 96239.

It is an arithmetic number, because the mean of its divisors is an integer number (10478160).

Almost surely, 2317627040 is an apocalyptic number.

317627040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 317627040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502951680).

317627040 is an abundant number, since it is smaller than the sum of its proper divisors (688276320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

317627040 is a wasteful number, since it uses less digits than its factorization.

317627040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3574 (or 3566 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 317627040 is about 17822.0941530450. The cubic root of 317627040 is about 682.2954719966.

The spelling of 317627040 in words is "three hundred seventeen million, six hundred twenty-seven thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 197 240 394 480 591 788 985 1182 1576 1970 2364 2955 3152 3359 3940 4728 5910 6304 6718 7880 9456 10077 11820 13436 15760 16795 18912 20154 23640 26872 31520 33590 40308 47280 50385 53744 67180 80616 94560 100770 107488 134360 161232 201540 268720 322464 403080 537440 661723 806160 1323446 1612320 1985169 2646892 3308615 3970338 5293784 6617230 7940676 9925845 10587568 13234460 15881352 19851690 21175136 26468920 31762704 39703380 52937840 63525408 79406760 105875680 158813520 317627040